[No merge] Reproing an assert in outerloop

[MichalStrehovsky]

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[MichalStrehovsky]

/azp run runtime-nativeaot-outerloop

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[MichalStrehovsky]

@sbomer here's the assert:

  Process terminated. Assertion failed.
     at System.Diagnostics.DebugProvider.Fail(String, String) + 0x37
     at System.Diagnostics.Debug.Fail(String, String) + 0x32
     at ILCompiler.Dataflow.CompilerGeneratedState.TryGetUserMethodForCompilerGeneratedMember(TypeSystemEntity, MethodDesc&) + 0x9e
     at ILCompiler.UsageBasedMetadataManager.AddDataflowDependency(DependencyNodeCore`1.DependencyList&, NodeFactory, MethodIL, String) + 0x75
     at Internal.IL.ILImporter.ImportCall(ILOpcode, Int32) + 0x16d
     at Internal.IL.ILImporter.ImportBasicBlock(ILImporter.BasicBlock) + 0x1f84
     at Internal.IL.ILImporter.ImportBasicBlocks() + 0x55
     at Internal.IL.ILImporter.Import() + 0x96a
     at ILCompiler.ILScanner.CompileSingleMethod(ScannedMethodNode) + 0x6b
     at System.Threading.Tasks.Parallel.<>c__DisplayClass19_0`2.<ForWorker>b__1(RangeWorker&, Int64, Boolean&) + 0x10d
     at System.Threading.Tasks.TaskReplicator.Replica.Execute() + 0xb1
     at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread, ExecutionContext, ContextCallback, Object) + 0x61
     at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task&, Thread) + 0xcd
     at System.Threading.ThreadPoolWorkQueue.Dispatch() + 0x3ee
     at System.Threading.WindowsThreadPool.DispatchCallback(IntPtr, IntPtr, IntPtr) + 0x72